# Massive Dev Chart Timer vs ColorDev Timer

The clearest difference is price: ColorDev Timer at Free against Massive Dev Chart Timer's $9.99. Massive Dev Chart Timer's advantage is in-app purchases (none vs 1) and chart position (#23 vs unranked). On update cadence, ads and device support there is nothing between them.

ColorDev Timer is free to download; Massive Dev Chart Timer costs $9.99 up front. ColorDev Timer sells 1 one-off in-app purchase. Massive Dev Chart Timer asks for nothing beyond the download.

Massive Dev Chart Timer ships an update every 5 months, ColorDev Timer every 4 months. The most recent releases landed on September 23, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Massive Dev Chart Timer | ColorDev Timer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.7 (54 ratings)](https://appshunter.io/ios/app/massive-dev-chart-timer/id402405770/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | — |
| Best chart rank | **#23** | — |
| Size | 14 MB | 6 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) | [Angel David Rodriguez](https://appshunter.io/developer/1808034419) |

## What reviewers say

### Massive Dev Chart Timer

[App page](https://appshunter.io/ios/app/massive-dev-chart-timer/id402405770)

**Currently charting:** #23 Top Paid · Photo & Video (US App Store)

This app provides an offline film development chart and a multi-step timer for photographers. It includes customizable agitation, darkroom themes, and support for various developing and fixing steps. It also offers automated compensation for development time and temperature.

**Highlights:** Offline film development chart, Multi-step timer with sound notifications, Customizable agitation schemes, Darkroom themes, Dilution mixer, Automated time/temperature compensation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive film and developer database
- ⏱️ Reliable timer with agitation reminders
- 🎯 Easy-to-use interface for darkroom work
- 🌙 Darkroom mode with red/black display
- ✏️ Customizable development times and profiles

**What reviewers complain about**

- 🚫 Black and white film only (no color film support)
- 🐛 Recent update broke HC110 dilution display
- 🐛 App crashes on certain devices/iOS versions
- 💰 Price point ($8.99-$11.99) for limited functionality
- 🔍 Poor search functionality for films

**Reported bugs**

- HC110 dilution section displays only letters, not ratios
- Dilution ratios not calculating when solution amount adjusted
- App crashes after selecting film speed
- Crashes on iPad with new update
- Timer display shows three dots instead of seconds

**Requested features**

- Color film support (C-41, E-6, ECN-2 processes)
- Search functionality by film brand/name
- Ability to add custom process steps (presoak, toning)
- Individual agitation control per development stage
- Continuous agitation option


### ColorDev Timer

[App page](https://appshunter.io/ios/app/colordev-timer/id6744559427)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is Massive Dev Chart Timer free?

Massive Dev Chart Timer costs $9.99, with no in-app purchases.

### Is ColorDev Timer free?

ColorDev Timer is free to download, with in-app purchases available.

### Do Massive Dev Chart Timer or ColorDev Timer have ads?

Neither Massive Dev Chart Timer nor ColorDev Timer shows ads.

### Which is updated more often, Massive Dev Chart Timer or ColorDev Timer?

Massive Dev Chart Timer ships an update every 5 months, and ColorDev Timer every 4 months. Most recently, Massive Dev Chart Timer was updated on September 23, 2026 and ColorDev Timer on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*